function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akama, Alberto & Ferraris, Carl J.', 2],
    ['Birindelli, José L. O. & Zuanon, Jansen', 3],
    ['Collins, Rupert A. & Duarte Ribeiro, Emanuell', 12],
    ['Cope, Edward Drinker', 4],
    ['Eigenmann, C. H. & Allen, W. R.', 3],
    ['Ferraris Jr, Carl J. & Vari, Richard P. & Raredon, Sandra J.', 5],
    ['Fowler, Henry Weed', 6],
    ['Kner, R.', 6],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 3],
    ['Mees, G. F.', 5],
    ['Ota, Renata Rúbia & Deprá, Gabriel de Carvalho', 8],
    ['Santos, Dayane Petik dos & Felicetti, Denise', 3],
    ['Sarmento-Soares, Luisa Maria', 13],
    ['Steindachner, F.', 12],
    ['Vari, Richard P. & Ferraris, Carl J.', 3],
    ['Other (46)', 50]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=138)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);